1)2-5x+x^2=02)5+3x+2x^2=0

Question

1)2-5x+x^2=02)5+3x+2x^2=0

Answer 1

2-5х+х²=0
x²-5х+2=0
Д=b²-4ac=5²-4*1*2=25-8=17
x1,2=5±√17/4